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I suggest either a closer look at the documentation or a more thorough understanding of the way delegates work.

UIWebViewDelegate has a method webView:didFailLoadWithError: which you can override in order to initialize an alert and display it.
 
I suggest either a closer look at the documentation or a more thorough understanding of the way delegates work.

UIWebViewDelegate has a method webView:didFailLoadWithError: which you can override in order to initialize an alert and display it.

I looked for it in the documentation, I found it but I didn't understand how to use it

Can you please help me?
 
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